Finding the Fourth Proportional to 5,207,297.57, 7,812,192.95 and 2,172,975.18
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Solution
The fourth proportional to 5,207,297.57, 7,812,192.95 and 2,172,975.18 is: 3,259,982.96
Step by Step Solution
- Step 1: Write the proportion equation
5,207,297.57 : 7,812,192.95 = 2,172,975.18 : x - Step 2: Convert to fraction form
5,207,297.57/7,812,192.95 = 2,172,975.18/x - Step 3: Cross multiply
5,207,297.57x = 7,812,192.95 × 2,172,975.18 - Step 4: Simplify right side
5,207,297.57x = 16,975,701,377,792.32 - Step 5: Solve for x
x = 16,975,701,377,792.32/5,207,297.57 - Step 6: Final answer
x = 3,259,982.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.